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Active suspension control design for optimal road roughness isolation and ride comfort

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2 Author(s)
Yedavalli, R.K. ; Dept. of Aeronaut. & Astronaut. Eng., Ohio State Univ., Columbus, OH, USA ; Yong Liu

An active suspension control design for a half-car two-dimensional model using LQ optimal control with regional pole constraints is investigated. A new successive approximation algorithm is used to design the static state feedback control law which guarantees a reasonable trade-off between the value of the performance index for which the system is designed and the design requirement that the closed-loop poles reside within the prescribed stability region. By carefully choosing the initial stabilising gain for the algorithm, considerable improvement in the transient properties of the closed-loop system can be obtained to achieve a reasonable tradeoff between ride comfort and road roughness isolation.

Published in:

American Control Conference, 1994  (Volume:2 )

Date of Conference:

29 June-1 July 1994